/*
 * Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
 *
 * SPDX-License-Identifier: MIT
 */

#include "OCLPerfImageCreate.h"

#include <assert.h>
#include <stdio.h>
#include <string.h>

#include "CL/opencl.h"
#include "Timer.h"

// Quiet pesky warnings
#ifdef WIN_OS
#define SNPRINTF sprintf_s
#else
#define SNPRINTF snprintf
#endif

#define NUM_SIZES 4
static const unsigned int Sizes[NUM_SIZES] = {256, 512, 1024, 2048};

#if defined(CL_VERSION_2_0)
#define NUM_FORMATS 3
static const cl_image_format formats[NUM_FORMATS] = {
    {CL_RGBA, CL_UNSIGNED_INT8}, {CL_sRGBA, CL_UNORM_INT8}, {CL_DEPTH, CL_UNORM_INT16}};
static const char* textFormats[NUM_FORMATS] = {
    "CL_RGBA , CL_UNSIGNED_INT8", "CL_sRGBA, CL_UNORM_INT8   ", "CL_DEPTH, CL_UNORM_INT16  "};
static const unsigned int formatSize[NUM_FORMATS] = {sizeof(CL_UNSIGNED_INT8),
                                                     sizeof(CL_UNORM_INT8), sizeof(CL_UNORM_INT16)};
#else
#define NUM_FORMATS 1
static const cl_image_format formats[NUM_FORMATS] = {{CL_RGBA, CL_UNSIGNED_INT8}};
static const char* textFormats[NUM_FORMATS] = {"CL_RGBA, CL_UNSIGNED_INT8"};
static const unsigned int formatSize[NUM_FORMATS] = {sizeof(CL_UNSIGNED_INT8)};
#endif

OCLPerfImageCreate::OCLPerfImageCreate() { _numSubTests = NUM_SIZES * NUM_FORMATS; }

OCLPerfImageCreate::~OCLPerfImageCreate() {}

static void CL_CALLBACK notify_callback(const char* errinfo, const void* private_info, size_t cb,
                                        void* user_data) {}

void OCLPerfImageCreate::setData(void* ptr, unsigned int size, unsigned int value) {
  unsigned int* ptr2 = (unsigned int*)ptr;
  for (unsigned int i = 0; i < size >> 2; i++) {
    ptr2[i] = value;
    value++;
  }
}

void OCLPerfImageCreate::open(unsigned int test, char* units, double& conversion,
                              unsigned int deviceId) {
  error_ = CL_SUCCESS;
  testId_ = test;

  OCLTestImp::open(test, units, conversion, deviceId);
  CHECK_RESULT((error_ != CL_SUCCESS), "Error opening test");

  program_ = 0;
  kernel_ = 0;
  cmd_queue_ = 0;
  outBuffer_ = 0;
  skip_ = false;

  // check device version
  size_t param_size = 0;
  char* strVersion = 0;
  error_ = _wrapper->clGetDeviceInfo(devices_[_deviceId], CL_DEVICE_VERSION, 0, 0, &param_size);
  CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceInfo failed");
  strVersion = new char[param_size];
  error_ =
      _wrapper->clGetDeviceInfo(devices_[_deviceId], CL_DEVICE_VERSION, param_size, strVersion, 0);
  CHECK_RESULT(error_ != CL_SUCCESS, "clGetDeviceInfo failed");
  if (strVersion[7] < '2') {
    skip_ = true;
    testDescString = "sRGBA Image not supported for < 2.0 devices. Test Skipped.";
    delete strVersion;
    return;
  }
  delete strVersion;
  size_t size;
  cl_bool imageSupport_ = false;
  error_ = _wrapper->clGetDeviceInfo(devices_[_deviceId], CL_DEVICE_IMAGE_SUPPORT,
                                     sizeof(imageSupport_), &imageSupport_, &size);
  if (!imageSupport_) {
    printf("\n%s\n", "Image not supported, skipping this test!");
    skip_ = true;
    return;
  }
  bufSize_ = Sizes[test % NUM_SIZES];
  bufnum_ = (test / NUM_SIZES) % NUM_FORMATS;
  memSize = bufSize_ * bufSize_ * formatSize[bufnum_];
  numIter = 100;

  outBuffer_ = (cl_mem*)malloc(numIter * sizeof(cl_mem));
  memptr = new char[memSize];

  cmd_queue_ = cmdQueues_[_deviceId];
}

void OCLPerfImageCreate::run(void) {
  if (skip_) {
    return;
  }

  CPerfCounter timer;

  cl_image_desc imageInfo;

  memset(&imageInfo, 0x0, sizeof(cl_image_desc));

  imageInfo.image_type = CL_MEM_OBJECT_IMAGE2D;
  imageInfo.image_width = bufSize_;
  imageInfo.image_height = bufSize_;
  imageInfo.image_depth = 1;
  imageInfo.image_array_size = 1;
  imageInfo.image_row_pitch = bufSize_ * formatSize[bufnum_];
  imageInfo.image_slice_pitch = imageInfo.image_row_pitch * (bufSize_);

  setData(memptr, memSize, 0xdeadbeef);

  char* dstmem = new char[memSize];
  size_t origin[3] = {0, 0, 0};
  size_t region[3] = {1, 1, 1};

  timer.Reset();
  timer.Start();

  for (unsigned int i = 0; i < numIter; ++i) {
    outBuffer_[i] = clCreateImage(context_, CL_MEM_READ_WRITE | CL_MEM_USE_HOST_PTR,
                                  &formats[bufnum_], &imageInfo, memptr, &error_);
    CHECK_RESULT((error_ != CL_SUCCESS), "Error clCreateImage()");

    error_ = _wrapper->clEnqueueReadImage(cmd_queue_, outBuffer_[i], CL_TRUE, origin, region, 0, 0,
                                          dstmem, 0, NULL, NULL);
    CHECK_RESULT(error_, "clEnqueueReadImage failed");
    _wrapper->clFinish(cmd_queue_);
  }

  timer.Stop();

  delete dstmem;

  double sec = timer.GetElapsedTime();

  // Image create in GB/s
  double perf = ((double)memSize * numIter * (double)(1e-09)) / sec;

  _perfInfo = (float)perf;
  char buf[256];
  unsigned int fmt_num = (testId_ / NUM_SIZES) % NUM_FORMATS;
  SNPRINTF(buf, sizeof(buf), " (%4dx%4d) fmt:%s(%1d) i: %4d (GB/s) ", bufSize_, bufSize_,
           textFormats[fmt_num], formatSize[bufnum_], numIter);
  testDescString = buf;
}

unsigned int OCLPerfImageCreate::close(void) {
  if (skip_) {
    return CL_SUCCESS;
  }
  if (memptr) {
    delete memptr;
  }
  if (outBuffer_) {
    for (unsigned int i = 0; i < numIter; ++i) {
      if (outBuffer_[i]) {
        error_ = _wrapper->clReleaseMemObject(outBuffer_[i]);
        CHECK_RESULT_NO_RETURN(error_ != CL_SUCCESS, "clReleaseMemObject(outBuffer_[i]) failed");
      }
    }
  }
  return OCLTestImp::close();
}